Home / 185,250.30-255,645.63-100,367.34

Finding the Fourth Proportional to 185,250.30, 255,645.63 and 100,367.34

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Solution

The fourth proportional to 185,250.30, 255,645.63 and 100,367.34 is: 138,507.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,250.30 : 255,645.63 = 100,367.34 : x
  2. Step 2: Convert to fraction form
    185,250.30/255,645.63 = 100,367.34/x
  3. Step 3: Cross multiply
    185,250.30x = 255,645.63 × 100,367.34
  4. Step 4: Simplify right side
    185,250.30x = 25,658,471,865.72
  5. Step 5: Solve for x
    x = 25,658,471,865.72/185,250.30
  6. Step 6: Final answer
    x = 138,507.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.